DLIN

In computational complexity theory, DLIN is the class of decision problems that can be solved by a multitape Turing machine in linear time, O(n). It is known that this class differs from its nondeterministic counterpart, NLIN.^[1]

References

1. Balcazar, Jose Luis; Diaz, Josep; Gabarro, Joaquim (1990). Structural Complexity II. Springer Verlag. ISBN 3-540-52079-1., Theorem 3.9